Kråkås, Askøy, Vestland, Norwayi
| Regional Level Types | |
|---|---|
| Kråkås | - not defined - |
| Askøy | Municipality |
| Vestland | County |
| Norway | Country |
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Latitude & Longitude (WGS84):
60° 25' 33'' North , 5° 10' 46'' East
Latitude & Longitude (decimal):
Köppen climate type:
Name(s) in local language(s):
Kråkås, Askøy kommune, Hordaland fylke, Norge
Kyanite aggregates up to 10 cm in diameter in a fine-grained amphibolitic metagabbro within a norite. Globular aggregates of prehnite are found at another locality at Kråkås.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
4 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Kyanite Formula: Al2(SiO4)O Colour: Light greenish blue, often with darker blue band in the middle Description: Aggregates up to 10 cm in diameter, crystals up to 3 cm in length Reference: Askvik, H. (1971): Gabbroic and quartz dioritic intrusions in gneisses on southern Askøy, West Norwegian Caledonides; Norges Geologiske Undersøkelse. 270, 3-38 (p.26) |
| ⓘ Muscovite ? Formula: KAl2(AlSi3O10)(OH)2 Reference: Askvik, H. (1971): Gabbroic and quartz dioritic intrusions in gneisses on southern Askøy, West Norwegian Caledonides; Norges Geologiske Undersøkelse. 270, 3-38 (p.26) |
| ⓘ Muscovite var. Damourite ? Formula: KAl2(AlSi3O10)(OH)2 Reference: Askvik, H. (1971): Gabbroic and quartz dioritic intrusions in gneisses on southern Askøy, West Norwegian Caledonides; Norges Geologiske Undersøkelse. 270, 3-38 (p.26) |
| ⓘ Prehnite Formula: Ca2Al2Si3O10(OH)2 Habit: Globular aggregates Reference: Askvik, H. (1971): Gabbroic and quartz dioritic intrusions in gneisses on southern Askøy, West Norwegian Caledonides; Norges Geologiske Undersøkelse. 270, 3-38 (p.26) |
| ⓘ Pyrophyllite ? Formula: Al2Si4O10(OH)2 Reference: Askvik, H. (1971): Gabbroic and quartz dioritic intrusions in gneisses on southern Askøy, West Norwegian Caledonides; Norges Geologiske Undersøkelse. 270, 3-38 (p.26) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 9 - Silicates | |||
|---|---|---|---|
| ⓘ | Kyanite | 9.AF.15 | Al2(SiO4)O |
| ⓘ | Muscovite ? | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Damourite ? | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Prehnite | 9.DP.20 | Ca2Al2Si3O10(OH)2 |
| ⓘ | Pyrophyllite ? | 9.EC.10 | Al2Si4O10(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| H | ⓘ Muscovite var. Damourite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | Oxygen | |
| O | ⓘ Kyanite | Al2(SiO4)O |
| O | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| O | ⓘ Muscovite var. Damourite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Kyanite | Al2(SiO4)O |
| Al | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| Al | ⓘ Muscovite var. Damourite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Kyanite | Al2(SiO4)O |
| Si | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
| Si | ⓘ Muscovite var. Damourite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Pyrophyllite | Al2Si4O10(OH)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | Potassium | |
| K | ⓘ Muscovite var. Damourite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Prehnite | Ca2Al2Si3O10(OH)2 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Askvik, H. (1971): Gabbroic and quartz dioritic intrusions in gneisses on southern Askøy, West Norwegian Caledonides; Norges Geologiske Undersøkelse. 270, 3-38 (p.26, 34)
External Links
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
Norway
- ⭔HordalandCounty
- Western Gneiss RegionGeologic Region
ScandinaviaRegion
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